Diagnosis

Eyes with dense long hairs; vertex with a pit or a short groove in front of anterior ocellus; frons just above frontal suture raised to form a carina, V-shaped, straight or slightly down-curved laterally; pronotum with a transverse carina close to posterior margin, laterally also with a complete longitudinal carina; mesoscutum usually with a median groove in posterior 1/3–1/2; mesoscutum and scutellum with engraved and strong reticulation; postmarginal vein long, 2.4–3.7X as long as stigmal vein; propodeum with complete and more or less parallel plicae and with a complete median carina.